Mincss
Tool for finding out which CSS selectors you're NOT using.
H5F
A JavaScript library that allows you to use the HTML5 Forms chapters new field input types, attributes and constraint validation API in non-supporting browsers.
Gas
Google Analytics on Steroids. A Google Analytics implementation with more power features.
Dna.js
An uncomplicated user interface library for semantic templates
Componentjs
ComponentJS -- Powerful run-time Component System for structuring HTML5-based Rich Clients
Typed.js
A jQuery typing animation script.
Papa Parse
Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input
Mobservable
Observable data. Reactive functions. Simple code.
Firebug Lite
Firebug Lite: doing the Firebug way, anywhere.
Offline
Automatically display online/offline indication to your users. #hubspot-open-source
Cycle Core
A fully reactive JavaScript framework for Human-Computer Interaction
Blanket
blanket.js is a simple code coverage library for javascript. Designed to be easy to install and use, for both browser and nodejs.
Ant Motion
:bicyclist: Animate specification and components of Ant Design
Zoom.js
zoom in on any element in the DOM
Js Quantities
JavaScript library for quantity calculation and unit conversion
jQuery Tourbus
A jQuery tour/walkthrough plugin.
Responsive Comments
A client-side solution to conditional loading.